####018005653#### FNUS71 KAKQ 020819 FWSAKQ Spot Forecast for Dowdy RX Burn...VDOF National Weather Service Wakefield VA 419 AM EDT Thu May 2 2024 Forecast is based on ignition time of 1000 EDT on May 02. If conditions become unrepresentative...contact the National Weather Service at 757-899-5734. .DISCUSSION... Dry and warm weather will prevail today high pressure builds across the region with afternoon min RH values ~35%. A very light SW wind in the morning will become 5 to 10 mph during the afternoon. A backdoor front drops across the region on Friday, with rain chances increasing Saturday. .REST OF TODAY... Sky/weather.........Sunny (0-10 percent). Chance of pcpn......0 percent. Max temperature.....Around 88. Min humidity........34 percent. Wind (20 ft)........Light winds. Mixing height.......6900 ft AGL. Transport winds.....North around 2 mph shifting to the southwest 2 to 5 mph late in the afternoon, then increasing to around 5 mph late in the afternoon. Smoke dispersal.....Poor (6000 knot-ft) early in the morning increasing to fair (27600 knot-ft) in the afternoon. LVORI...............2. ADI.................9 to 38. Haines Index........4 or low potential for large plume dominated fire growth. TIME (EDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........7 1 1 2 2 3 3 4 Weather cov..... Weather type.... Tstm cov........ Chc of pcpn (%).0 0 0 0 0 0 0 0 Temp............76 80 83 85 86 87 87 87 RH..............54 47 41 39 36 35 34 34 20 FT wind dir..SW SW SW SW SW SW SW SW 20 FT wind spd..3 3 3 4 4 4 4 4 20 FT wind gust.5 5 5 6 6 6 6 6 Mix hgt (kft)...3.1 4.4 5.1 5.9 6.7 6.7 6.8 6.9 Transp wind dir.N N N W SW SW SW SW Transp wind spd.2 2 2 2 2 3 5 5 LVORI...........2 2 2 2 2 2 1 1 ADI.............9 13 14 15 18 25 33 38 Haines index....4 4 4 4 4 4 4 4 Vrate kt-ft/1K..6 9 10 11 13 18 24 28 Ventrate Cat....PR PR PR PR PR PR PR PR .TONIGHT... Sky/weather.........Mostly clear (10-20 percent). Chance of pcpn......0 percent. Min temperature.....Around 60. Max humidity........84 percent. Wind (20 ft)........Light winds. Mixing height.......400 ft AGL. Transport winds.....Southwest 2 to 5 mph. Smoke dispersal.....Fair (17300 knot-ft) early in the evening decreasing to poor (800 knot-ft) late in the night. LVORI...............4. ADI.................1 to 25. Haines Index........4 to 5 or low to moderate potential for large plume dominated fire growth. TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........4 4 3 6 9 12 13 14 16 18 21 23 Weather cov..... Weather type.... Tstm cov........ Chc of pcpn (%).0 0 0 0 0 0 0 0 0 0 0 0 Temp............86 82 78 75 71 70 68 67 65 64 62 61 RH..............36 43 50 54 61 61 65 70 75 78 81 84 20 FT wind dir..S S S S S S S SW SW W W W 20 FT wind spd..4 4 4 3 3 3 3 3 3 3 3 3 20 FT wind gust.6 6 6 5 5 5 5 5 5 5 5 5 Mix hgt (kft)...4.8 2.6 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 Transp wind dir.SW SW SW SW S S S SW SW SW SW SW Transp wind spd.5 3 2 2 2 2 2 2 2 2 2 2 LVORI...........2 2 2 2 3 3 3 3 4 4 5 5 ADI.............25 2 1 1 1 1 1 1 1 1 1 1 Haines index....4 5 5 5 5 5 5 5 5 5 5 5 Vrate kt-ft/1K..17 8 1 1 1 1 1 1 1 1 1 1 Ventrate Cat....PR PR PR PR PR PR PR PR PR PR PR PR .FRIDAY... Max temperature.....Around 85. Min humidity........44 percent. Wind (20 ft)........Light winds becoming southeast 5 to 7 mph in the afternoon. Mixing height.......5900 ft AGL. Transport winds.....Northwest around 2 mph becoming 1 to 2 mph early in the morning, then shifting to the west around 1 mph late in the morning shifting to the south early in the afternoon shifting to the southeast 9 to 12 mph. Haines Index........3 to 5 or very low to moderate potential for large plume dominated fire growth. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM Temp............62 65 75 80 84 83 RH..............84 78 60 52 44 47 20 ft wind......W 3 N 4 NE 4 E 4 SE 5 SE 6 20 ft wind gust.5 6 6 6 8 11 Mix hgt (ft)....500 600 1600 3400 5900 4200 Transport wind..W 2 N 2 NW 1 W 1 SE 3 SE 9 Haines index....5 4 4 4 4 3 $$ Forecaster...BUTNER Requested by...Cameron Lipscomb Type of request...PRESCRIBED .TAG 2412992.0/AKQ .DELDT 05/02/24 .FormatterVersion 2.0.0 .EMAIL cameron.lipscomb@dof.virginia.gov